US Patent: 3,648,377
|
| Sling Roundness Gage
|
|
Patentee:
|
|
| Frederick W. Witzke (exact or similar names) - Ann Arbor, MI |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jun. 15, 1969 |
| Granted: |
Mar. 14, 1972 |
|
Patent Pictures:
[
1 | 2
]
|
|
|
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Joel Havens
|
|
Description: |
| Abstract
A gage for measuring the out-of-roundness of cylindrical or spherical objects, which can perform such measuring while the objects are still mounted in the machine used in shaping them. A gage frame holds a flexible, nonstretchable sling in an opened looped position and also holds a transducer adapted to sense radial variations of the surface of the object being measured. In operation the sling is looped around a large arc of the circumference of the object being measured, thereby supporting the frame a fixed distance from the object and serving as a reference member. Upon rotation of the object about its circular center the transducer senses radial variations in the object's surface while relative movement between the object's center and the sling due to lobing conditions of the object are virtually eliminated. Also disclosed is a more accurate roundness measuring apparatus using two such gages in tandem.
|
|
){kind=link}
){kind=link}